Questions to Ask About Liquid Penetrant Examination for Modular Steel Buildings
https://weld-quality-compass.clearminster.com/posts/how-to-plan-focused-probe-selection-when-scanning-machined-valve-bodies
Questions to Ask About Liquid Penetrant Examination for Modular Steel Buildings Modules use many short welds at corners, frames, and lifting points. Penetrant testing can reveal open-to-surface flaws in suitable nonporous materials